This combination of a navy waistcoat and a denim shirt is really a statement-maker. As a 30-something gent, you probably want to start dressing like a grown man. That's when inspo like this comes in very useful.
Navy Waistcoat with Denim Shirt Outfits In Their 30s
Irrefutable proof that a navy waistcoat and a denim shirt are awesome when teamed together in a polished ensemble for a modern dandy. Sartorial inspiration like this will help you remain amazingly stylish while heading into your 30s.